<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="app">
      {{ message }}
    </div>
    <!-- 生产环境版本，优化了尺寸和速度 -->
    <script src="https://cdn.jsdelivr.net/npm/vue"></script>
    <script src="https://cdn.jsdelivr.net/npm/echarts@4.9.0/dist/echarts.min.js"></script>
    <script>
      Vue.prototype.$echarts = echarts
      var app = new Vue({
        el: '#app',
        data: {
          message: 'Hello Vue!',
        },
      })
    </script>
  </body>
</html>
